GB2285355B - Compact agc circuit with stable characteristics - Google Patents
Compact agc circuit with stable characteristicsInfo
- Publication number
- GB2285355B GB2285355B GB9426302A GB9426302A GB2285355B GB 2285355 B GB2285355 B GB 2285355B GB 9426302 A GB9426302 A GB 9426302A GB 9426302 A GB9426302 A GB 9426302A GB 2285355 B GB2285355 B GB 2285355B
- Authority
- GB
- United Kingdom
- Prior art keywords
- compact
- agc circuit
- stable characteristics
- stable
- agc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
- H03G3/3042—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers
- H03G3/3047—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers for intermittent signals, e.g. burst signals
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP33619993 | 1993-12-28 |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9426302D0 GB9426302D0 (en) | 1995-02-22 |
GB2285355A GB2285355A (en) | 1995-07-05 |
GB2285355B true GB2285355B (en) | 1998-08-05 |
Family
ID=18296667
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9426302A Expired - Fee Related GB2285355B (en) | 1993-12-28 | 1994-12-28 | Compact agc circuit with stable characteristics |
Country Status (2)
Country | Link |
---|---|
US (1) | US5548594A (en) |
GB (1) | GB2285355B (en) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0725479B1 (en) * | 1995-01-31 | 2002-01-09 | Nec Corporation | Mobile radio unit |
JP4027431B2 (en) * | 1997-05-23 | 2007-12-26 | コーニンクレッカ、フィリップス、エレクトロニクス、エヌ、ヴィ | Receiver with controllable amplification means |
FI106670B (en) * | 1997-12-08 | 2001-03-15 | Nokia Networks Oy | Reception procedure and recipients |
DE19805547C1 (en) * | 1998-02-11 | 1999-09-09 | Siemens Ag | Digital radio receiver for mobile radio |
US20010048727A1 (en) * | 2000-01-10 | 2001-12-06 | Schmutz Thomas R. | Method and apparatus for automatic gain control on a time slot by time slot basis |
JP2001358791A (en) * | 2000-06-15 | 2001-12-26 | Mitsubishi Electric Corp | Automatic gain control circuit |
US6980786B1 (en) * | 2001-01-16 | 2005-12-27 | Sequoia Communications Corp. | Adaptive receiver system that adjusts to the level of interfering signals |
US7171170B2 (en) | 2001-07-23 | 2007-01-30 | Sequoia Communications | Envelope limiting for polar modulators |
US6873832B2 (en) * | 2001-09-28 | 2005-03-29 | Broadcom Corporation | Timing based LNA gain adjustment in an RF receiver to compensate for intermodulation interference |
US6985703B2 (en) | 2001-10-04 | 2006-01-10 | Sequoia Corporation | Direct synthesis transmitter |
JP3561702B2 (en) | 2001-11-20 | 2004-09-02 | 三洋電機株式会社 | Wireless receiving apparatus, signal processing timing control method, and signal processing timing control program |
US7489916B1 (en) | 2002-06-04 | 2009-02-10 | Sequoia Communications | Direct down-conversion mixer architecture |
DE10229459C1 (en) * | 2002-07-01 | 2003-11-13 | Texas Instruments Deutschland | Transponder for contactless data transmission system has regulation circuit for preventing variation in voltage level of input signal fed from antenna to demodulator |
AU2003301465A1 (en) * | 2002-10-16 | 2004-05-04 | Casio Computer Co., Ltd | Radio wave reception device, radio wave clock, and repeater |
CA2518476A1 (en) * | 2003-03-14 | 2004-09-30 | Interdigital Technology Corporation | Enhanced automatic gain control mechanism for timeslotted data transmissions |
US7496338B1 (en) | 2003-12-29 | 2009-02-24 | Sequoia Communications | Multi-segment gain control system |
US7609118B1 (en) | 2003-12-29 | 2009-10-27 | Sequoia Communications | Phase-locked loop calibration system |
US7522017B1 (en) | 2004-04-21 | 2009-04-21 | Sequoia Communications | High-Q integrated RF filters |
US7672648B1 (en) | 2004-06-26 | 2010-03-02 | Quintics Holdings | System for linear amplitude modulation |
US7548122B1 (en) | 2005-03-01 | 2009-06-16 | Sequoia Communications | PLL with switched parameters |
US7479815B1 (en) | 2005-03-01 | 2009-01-20 | Sequoia Communications | PLL with dual edge sensitivity |
US7675379B1 (en) | 2005-03-05 | 2010-03-09 | Quintics Holdings | Linear wideband phase modulation system |
US7595626B1 (en) | 2005-05-05 | 2009-09-29 | Sequoia Communications | System for matched and isolated references |
US20070205200A1 (en) * | 2006-03-02 | 2007-09-06 | Brain Box Concepts | Soap bar holder and method of supporting a soap bar |
WO2007137094A2 (en) | 2006-05-16 | 2007-11-29 | Sequoia Communications | A multi-mode vco for direct fm systems |
US7522005B1 (en) | 2006-07-28 | 2009-04-21 | Sequoia Communications | KFM frequency tracking system using an analog correlator |
US7679468B1 (en) | 2006-07-28 | 2010-03-16 | Quintic Holdings | KFM frequency tracking system using a digital correlator |
US7894545B1 (en) | 2006-08-14 | 2011-02-22 | Quintic Holdings | Time alignment of polar transmitter |
US7920033B1 (en) | 2006-09-28 | 2011-04-05 | Groe John B | Systems and methods for frequency modulation adjustment |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3122457A1 (en) * | 1981-06-05 | 1983-01-05 | Siemens AG, 1000 Berlin und 8000 München | Method for adjusting the reception level of messages transmitted via radio |
GB2195847A (en) * | 1986-02-11 | 1988-04-13 | Joergensen Poul Richter | A method and circuit for automatic gain control of a signal |
GB2233846A (en) * | 1989-07-01 | 1991-01-16 | Orbitel Mobile Communications | Gain control in gsm receiver |
EP0496507A2 (en) * | 1991-01-15 | 1992-07-29 | Nokia Mobile Phones Ltd. | Gain control in a TDMA radio-telephone system |
US5142695A (en) * | 1991-03-21 | 1992-08-25 | Novatel Communications, Ltd. | Cellular radio-telephone receiver employing improved technique for generating an indication of received signal strength |
US5184349A (en) * | 1991-01-16 | 1993-02-02 | Motorola, Inc. | Amplitude control of a burst signal in a receiver |
EP0559093A1 (en) * | 1992-02-29 | 1993-09-08 | Nec Corporation | A digital mobile radio receiver |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60145713A (en) * | 1984-01-10 | 1985-08-01 | Fujitsu Ltd | Automatic gain control system |
FR2576472B1 (en) * | 1985-01-22 | 1988-02-12 | Alcatel Thomson Faisceaux | METHOD AND DEVICE FOR AUTOMATICALLY GAIN CONTROL OF A TIME-DIVISION MULTIPLE ACCESS RECEIVER |
US4989074A (en) * | 1988-09-27 | 1991-01-29 | Matsushita Electric Industrial Co., Ltd. | Digital automatic gain control apparatus |
US5001776A (en) * | 1988-10-27 | 1991-03-19 | Motorola Inc. | Communication system with adaptive transceivers to control intermodulation distortion |
US5276685A (en) * | 1988-11-30 | 1994-01-04 | Motorola, Inc. | Digital automatic gain control |
US5301364A (en) * | 1988-11-30 | 1994-04-05 | Motorola, Inc. | Method and apparatus for digital automatic gain control in a receiver |
JPH056943U (en) * | 1991-02-28 | 1993-01-29 | 株式会社東芝 | Gain control circuit |
-
1994
- 1994-12-27 US US08/364,450 patent/US5548594A/en not_active Expired - Fee Related
- 1994-12-28 GB GB9426302A patent/GB2285355B/en not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3122457A1 (en) * | 1981-06-05 | 1983-01-05 | Siemens AG, 1000 Berlin und 8000 München | Method for adjusting the reception level of messages transmitted via radio |
GB2195847A (en) * | 1986-02-11 | 1988-04-13 | Joergensen Poul Richter | A method and circuit for automatic gain control of a signal |
GB2233846A (en) * | 1989-07-01 | 1991-01-16 | Orbitel Mobile Communications | Gain control in gsm receiver |
EP0496507A2 (en) * | 1991-01-15 | 1992-07-29 | Nokia Mobile Phones Ltd. | Gain control in a TDMA radio-telephone system |
US5184349A (en) * | 1991-01-16 | 1993-02-02 | Motorola, Inc. | Amplitude control of a burst signal in a receiver |
US5142695A (en) * | 1991-03-21 | 1992-08-25 | Novatel Communications, Ltd. | Cellular radio-telephone receiver employing improved technique for generating an indication of received signal strength |
EP0559093A1 (en) * | 1992-02-29 | 1993-09-08 | Nec Corporation | A digital mobile radio receiver |
Also Published As
Publication number | Publication date |
---|---|
US5548594A (en) | 1996-08-20 |
GB9426302D0 (en) | 1995-02-22 |
GB2285355A (en) | 1995-07-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20031228 |